baber/WOPTO huggingface dataset:
Patent GB-1209616-A (GB)
Title: A signal sensing circuit arrangement
IPC: B23H7/18
Filed: 1967-11-28
Abstract: 1,209,616. Spark erosion apparatus. SILTRONICS Inc. Nov.28, 1967 [Dec. 19, 1966], No. 54198/67. Heading G3R. In a spark erosion apparatus, a signal dependent on capacitor charging current is utilized to adjust the electrode spacing. A capacitor 58, Fig.5, is charged by series batteries 54, 70, the potential across points A, B being dependent on the charging current at any one time, this being applied to a pair of transistors 78, 80 connected so that the potential at terminals C, X is a series of rectangular pulses when the charging current is less than that from a biasing source 70, and the converse of the pulse potential appears at terminals D, X when the charging current is greater. The pulses may be applied to a filter circuit 124 Fig. 8 causing a uni-junction transistor 134 or 136 to conduct and gate a thyristor 144 or 150 allowing half wave current of appropriate direction to energize a separately excited electrode positioning motor armature 146. This circuit preferably includes a diode clamping arrangement 190, 192, 194, 204, 206. In another arrangement, Fig. 10 (not shown) a flip-flop circuit (180) is connected across points A, B through constant voltage networks comprising pairs of reverse parallel connected diodes (168, 172 &c.), to produce an input to filter circuit 124 which is stabilized against the drift by Zener diodes (186, 188).
Patent GB-1214305-A (GB)
Title: Method of direction finding by means of radio waves
IPC: G01S13/44
Filed: 1967-12-04
Abstract: 1,214,305. Radio direction-finders. MESSERSCHMITT - BOLKOW - BLOHM G.m.b.H. 4 Dec., 1967 [17 Dec., 1966], No. 54975/67. Heading H4D. A radio direction-finder comprises a directional aerial system connected by two signal paths to the respective inputs of a hybrid coupler capable of forming the sum and difference of its input signals at its two output points, means for introducing a phase shift of substantially 90 degrees between the inputs of the hybrid coupler whereby one output point thereof supplies a signal corresponding to one of two radiation patterns which overlap and which are deflected in opposite directions from the axis of symmetry of the aerial system and whereby the other output point simultaneously supplies a signal corresponding to the other of said patterns and a receiver connected to the output points for comparing the amplitude of the signals at those points. In an application to radar a 90 degree phase shifter is inserted in one input to magic-T 49, the outputs from which after reduction to I.F. are switched alternately to amplifier 58, the amplified output from detector 49 being switched synchronously to amplitude comparator 66. The phase shift may be altered slightly to swing the equi-signal axis. Other forms of hybrid coupler are mentioned. The invention is stated to reduce the effects of noise.
Patent GB-1211236-A (GB)
Title: Improved method and apparatus for distilling liquids
IPC: B01D1/28
Filed: 1967-12-05
Abstract: 1,211,236. Distillation apparatus, vapourcompression type. NASH ENG. CO. 5 Dec., 1967 [6 Dec., 1966], No. 55333/67. Heading B1B. Sea water or other liquid is partially evaporated in flash evaporator 36 and the vapour is drawn through conduit 24 into a rotary liquid-ring, vapour compressor 22 which delivers the compressed, saturated vapour into the conduit 261 of heat-exchanger 20 where the vapour condenses and gives up heat to the sea water feed as it flows through the heatexchanger on its way to flash evaporator 36. The condensate, i.e. desalinated water, flowing from heat-exchanger 20 passes through heatexchanger 12 where it is cooled by the sea water entering the system through conduit 10. The sea water leaving heat-exchanger 12 flows through heat-exchanger 16 where it is heated by part of the brine effluent from evaporator 36, which is discharged through conduit 38. The remainder of the brine is mixed in conduit 18 with the sea water feed flowing to heat-exchanger 20. Part of the desalinated water leaving heat-exchanger 12 is collected in receiver 46 and the remainder is passed via conduit 48 to the cooling jacket of power source 30. This portion of the desalinated water then flows through conduit 52 to the compressor 22 where it lubricates and cools the stuffing boxes, and provides make-up for the liquid-ring.
Patent GB-1487777-A (GB)
Title: Tumbling devices
IPC: B24B31/02
Filed: 1974-12-24
Abstract: 1487777 Tumbling mills LAPIDARY MACHINE MFRS Ltd 24 Dec 1974 55830/74 Heading B2A [Also in Division B3] A tumbling device for grinding, polishing, de-burning or crushing various materials comprises a rotatable support shaft 2, a barrel 6, means 5 spaced from the shaft providing a pivot support for the barrel when supported on the shaft, and means 1 for rotating the shaft. The means 1 consists of an electric motor which by gearing rotates the shaft 2 supported at its outer end in a bearing 3 on a base 4. A skid 5 constitutes the means 5 and is higher than the shaft 2. In use the barrel 6, which may contain gemstones together with a polishing powder, is rotated in the direction of arrow 8, the skid having the effect of centering the barrel axially so that end stops are not required. The skid itself may be pivotally mounted, or may be in the form of a wheel or roller having a vertical axis.
Patent GB-1377966-A (GB)
Title: Mass production of workpieces especially gear wheels
IPC: G05B19/418
Filed: 1971-12-02
Abstract: 1377966 Automatic electric control WERKZEUGMASCHINENKOMBINAT "7 OKTOBER" BERLIN VEB 2 Dec 1971 56026/71 Heading G3N An automated factory, Fig.1, comprises a complex 1 for gear blank turning and testing, a complex 2 for gear hobbing and cleaning, a complex 3 for induction hardening and a complex 4 for precision grinding and final testing. Workpieces for the individual machines 101-108, 201-208, 301-308, 401-408 are mounted on pallets and transported by longitudinal conveyers 7, 9 connected by a transverse conveyer 8. The pallets are fed in through a storage unit 20 and held, between complexes in storage units 21-24 and fed out to a storage unit 25. Pallets are withdrawn or added at points 5.1-5.12. Each machine has a pallet transfer device such as 6.1-6.8 of complex 1. Each subsystem has a despatcher's desk, such as 10.1 for manual control and optionally, a visual indicator 59.1 showing operation conditions of the complex. The operation of a machine tool such as 101 or 102 of complex 1, and a pallet transfer device 55, determining movements on the conveyers, is shown in Fig.3. The presence of a workpiece at the machine tool 101 is determined by a data collecting device 52.1 and fed together with information on the conveyer state to a local control device 12.1 and, as a static signal, over lines 48.1 to a coupling device 38.1. A change in condition of the device 38.1 causes an interrupt signal on line 46.1 to a distribution device 60 which, over an interrupt channel 44.0, activates a central control device 34 into communication with the local control device 12.1. The information channels 48.1 are first scanned and changes received by the device 34 over lines 42.1 and channel 42.0; according to the nature of the received changes the device 34.addresses the coupling device 38.1 through a channel 41.0 and lines 41.1 and feeds information over lines 49.1 to the local control device 12.1 for the machine 101. Additionally, information can be fed as to desired pallet movement to the transfer device 55 via lines 49.9 and the local control device 12.9.  The tools required by a machine tool are held in a change-over pallet synchronized with the conveyer. Workpiece pallets are numbered and identified by the locks 5, Fig.1.
Patent GB-1457006-A (GB)
Title: Floating roof
IPC: B65D88/34
Filed: 1973-12-05
Abstract: 1457006 Tanks with floating roofs MOTHERWELL BRIDGE ENG Ltd 25 Nov 1974 [5 Dec 1973] 56454/73 Heading E1T In a tank 11 having a floating roof 12 comprising an annular pontoon 13 supporting a diaphragm 14 the latter is provided with a series of radially-extending stiffening elements 15 each of which is of less length than the radius of the diaphragm. The stiffening elements may be of trapezoidal or semicircular cross-section or be in the form of buoyancy chambers each provided with a releasable gas-tight plug. For minor details concerning orientation of the members 15 on the diaphragm, storm water drainage means, support legs &c the Specification and remaining drawings, (not shown), should be referred to.
Patent GB-1372558-A (GB)
Title: Imidazolidinone derivatives and processes for their production
IPC: A61K31/495
Filed: 1971-12-06
Abstract: 1372558 Imidazolidinones CIBA-GEIGY AG 6 Dec 1971 [7 Dec 1970] 56539/71 Heading C2C Novel imidazolidinones of the general formula  wherein A 1  is a C 2-3  alkylene group, A 2  is a C 2-4  alkylene group, R is a C 1-4  alkyl group and R 1  is a hydrogen atom or C 1-4  alkyl group, and physiologically tolerable acid addition salts thereof are prepared (a) by reaction of an imidazolidinone of the general formula or an alkali metal derivative thereof with a reactive ester of 3-(p-fluorobenzoyl)-propanol; (b) by reaction of a piperazine or homopiperazine of the general formula or an alkali metal derivative thereof with a reactive ester of an N-hydroxyalkyl-imidazolidinone of the general formula (c) when A 2  is an ethylene group, by reaction of a piperazine or homopiperazine of the third general formula above or an alkali metal derivative thereof with an N,N-bis-(2-haloethyl)-urea of the general formula wherein Y is a halogen atom, or an alkali metal derivative thereof; and (d) by reaction of an imidazolidinone of the general formula with a fluorobenzene of the general formula wherein one of X and Z is a nitrile or halocarbonyl group and the other is a -MgY, -ZnY or organo-cadmium radical; followed optionally by salification of the product. 1 - Methyl - 3,3 - bis - (2 - chloroethyl) - urea is prepared by reaction of diethanolamine with methyl isocyanate, followed by treatment with thionyl chloride. 1 - Butyl - 3,3 - bis - (2 - chloroethyl) - urea is prepared analogously using butyl isocyanate. 1 - [2 - (Hexahydro - 1H - 1,4 - diazepin - 1- yl) - ethyl] - 3 - methyl - 2 - imidazolidinone is prepared by reaction of hexahydro-1H-1,4- diazepine-1-carboxylic acid ethyl ester and 1- (2 - chloroethyl) - 3 - methyl - 2 - imidazolidinone and treatment of the resulting 4-[2-(2-oxo-3- methyl - 1 - imidazolidinyl) - ethyl] - hexahydro- 1H - 1,4 - diazepine - 1 - carboxylic acid ethyl ester with ethanolic potassium hydroxide. 1-[2- (3 - Methyl - 1 - piperazinyl) - ethyl] - 3 - methyl- 2 - imidazolidinone and 1 - [2 - (1 - piperazinyl)- ethyl] - 3,4 - dimethyl - 2 - imidazolidinone are prepared analogously. 1 - (2 - Chloroethyl)- 3,4 - dimethyl - 2 - imidazolidinone is prepared by reaction of 2-methyl-amino-1-propanol with 2-ehloroethyl isocyanate and treatment of the resulting 1 - (2 - hydroxy - 1 - methyl - ethyl) - 1- methyl - 3 - (2 - chloroethyl) - urea with thionyl chloride. 1 - {2 - [4 - (3 - Cyanopropyl) - 1 - piperazinyl]- ethyl} - 3 - methyl - 2 - imidazolidinone (isolated as the dihydrochloride dihydrate) is prepared by reaction of 1-[2-(1-piperazinyl)-ethyl]-3-methyl- 2-imidazolidinone with 4-chlorobutyronitrile. Pharmaceutical compositions having antiemetic and central nervous system depressant activity comprise, as active ingredient, an inidazolidinone of the first general formula above or a physiologically tolerable acid addition salt thereof, together with a pharmaceuticsally suitable carrier, and may be administered orally, rectally or parenterally.
Patent GB-1156619-A (GB)
Title: Compositions Suitable for the Preservation of Wood
IPC: B27K3/15
Filed: 1967-12-13
Abstract: 1,156,619. Composition for the preservation of wood. ESSO STANDARD SOC. ANON. FRANCAIS. 13 Dec., 1967 [21 Dec., 1966], No. 56650/67. Heading A5E. A composition suitable for the preservation of wood comprises (i) the product obtained by heating a drying or semi-drying oil and an unsaturated petroleum resin, (ii) a separately added unsaturated petroleum resin (same or different), and (iii) a fungicide. Other ingredients which may be present are hydrocarbon solvents and insecticides such as hexachlorohexane. The drying or semi-drying oil may be linseed, dehydrated castor, china wood or soya oil; the fungicide may be a substituted phenol or a substituted phenol neutralised by an aliphatic amine, e.g. laurylamine pentachtorophenate.
Patent GB-1279986-A (GB)
Title: Control system
IPC: G05B19/37
Filed: 1969-10-01
Abstract: 1279986 Programmed control of machine tools SUNDSTRAND CORP 1 Oct 1969 [22 Oct 1968] 56865/71 Heading G3N The subject-matter in this specification is identical with that described in specification 1279985 but the claims are concerned with an online control system for a machine tool comprising machine tool control means for interpreting blocks of machine part instructions to control the operation of the machine tool, data link means for transmitting instructions, data processing means coupled by said data link means to said machine tool control means and including part programme storage means for storing a plurality of individually identifiable past programmes each comprising a sequence of source language statements in which at least some of said statements represent more than one block of machine part instructions language translator means having a translator input, a translator output, and translation means for converting source language statements supplied to said translator input into blocks of machine part instructions supplied to said translator output, data entry means adjacent said machine tool and coupled to said data processing means by said data link means for generating instruction identifying that one of said stored part programmes is to control said machine tool, said data processing means including monitor means responsive to said data entry means for coupling the source language statements forming said one part programme to said translator input and for coupling the translator output to said data link means for transmission to the machine tool control means.
Patent GB-1327258-A (GB)
Title: Foam lubrication apparatus and method
IPC: B65G45/08
Filed: 1970-12-03
Abstract: 1327258 Lubricating R L BATCHELOR 3 Dec 1970 [12 Dec 1969] 57571/70 Heading F2A [Also in Division B1] In apparatus for making a foamed soapy lubricant for chain conveyers, soap solution is supplied through a screen 24 and orifice 32 to a chamber 16 where air is induced through a nipple 38. Mixing is enhanced by the restricted discharge passage 22, 40 in which the mixture impacts the wall of the passage at 50. Its pressure is reduced in expansion chambers 42 and it is distributed by tubes 46 to the lubricating chambers 52, 54. There may be only one such tube, two as shown, or more; and as they are of comparatively restricted bore the rates of flow to the several lubricating chambers depend on the lengths of their respective tubes 46. The flow rate of soap solution to the apparatus may be modified by replacing the plate 26 with one having an orifice 32 of different size; and of air, by means of a plastic cap 62 through which a hole may be pierced at 64. The chamber 16 slopes downward to the orifice 32 so that when the apparatus is inoperative the orifice is flooded to prevent blockage by dried soap. In a modification, see Fig. 3 (not shown), the air may be supplied under pressure and the expansion chambers 42 contain screen and bead labyrinths 72, 74 to produce a drier foam.
Patent GB-1254122-A (GB)
Title: An electric toaster
Inventor: PAESSLER EBERHARD
IPC: A47J37/08
Filed: 1968-12-10
Abstract: 1,254,122. Electric toaster. EBERHARD PASSLER K. G. Dec.10, 1968, No.58606/68. Heading A4D. An electric toaster comprises side panels 2 with heating elements 6 mounted on a base 20; to the base is secured a substantially horizontal bar 13 on which slides a carrier 27 for supporting bread to be toasted, a second, parallel bar 14 prevents the carrier 27 from tilting, the carrier 27 being loaded by a compression spring away from an end position in which it is retained by a releasable catch. The carrier may have an extension 25 to carry a second piece of bread and a third, central, heater 23. The side panels and bars may be lengthened for two carriers to slide in opposite directions carrying bread in longitudinal alignment. The catch may be released by a timer in the base.
Patent GB-1497041-A (GB)
Title: Temperature measurement sensor
IPC: G01K13/06
Filed: 1973-12-21
Abstract: 1497041 Temperature sensors BRITISH STEEL CORP 19 Dec 1974 [21 Dec 1973] 59306/73 Heading G1D A temperature sensor for measuring the surface temperatures of, for example, metal slabs in a reheating surface, comprises a housing 14 having an open upper end, a member 16 providing a radiation receiving surface and being in thermal contact with the housing 14 and closing the open end of the housing, as shown, the member 16 having connected thereto a first thermocouple 22 at the geometrical centre thereof and a second thermocouple 24 laterally spaced therefrom. At least one such sensor may be located within a reheating furnace which is provided with means for supporting metal slabs during their movement through the furnace, and a plurality of heat sources, the sensors being disposed at a level below the top of the supporting means. The member 16 is preferably a thin metal disc welded at its periphery to a shoulder 20 provided in the upper open end of the housing 14. A lower open end of the housing 14 may be mounted on a water cooled support system 12 comprising coaxial tubes 18, 18a. Heat flow is preferably substantially radial through the member 16, there being provided, in the described embodiment, thermal insulating material 26 within and below member 16 and refractory material 28 about the housing 14 up to the level of the upper end thereof. The housing 14 may have a cylindrical outer surface and a cup shaped inner surface.
Patent GB-604775-A (GB)
Abstract: 604,775. Knitting pins. MORRALL, Ltd., A., and LEWIS, B. G. May 7, 1946, No. 27275/45. [Class 74(ii)] The head of a knitting pin has two flat, preferably parallel, faces 3, a flat inner end face 4, side faces 5 diverging away from the pin point and an outer-end face 6 contiguous with the side faces. The side and end faces may be longitudinally and transversely convex, as at 5x, 6x, Fig. 6. The faces 3 prevent the pin rolling and may be used, in place of the shank, to bear characters (e.g. in relief or embossed). When of metal, the head may be die-cast; and the recess therein for the shank may be tapered and provide an interference fit. When of plastic material, the head may be pressure or injection moulded.
Patent GB-1381880-A (GB)
Title: Method of electroytic machining of turbine wheels
IPC: B23P15/00
Filed: 1971-12-29
Abstract: 1381880 Electro-machining of turbine wheels HITACHI Ltd 29 Dec 1971 [28 Dec 1970 7 May 1971] 60526/71 Heading C7B A rotor with integrally formed twisted blades, each having a convex face and a concave face (the concave face may include a plane, smoothly adjoining marginal portion) is produced from a disc-shaped workpiece by electro-machining, the blades being formed using a first electrode tool having a concave face corresponding to the required convex face of the blades, and a second electrode tool having a convex face corresponding to the required concave face of the blades. Electrolyte is supplied via a longitudinal channel through the electrode tools, and back pressure on the electrolyte may be established by means of an insulating plate mounted on the outer peripheral surface of the workpiece. The sides of the blades may be trimmed to the required shape before such electro-machining takes place, and  the portions between the blades which are severed therefrom by electro-machining may be secured in position during machining by a retaining tool.
Patent GB-1326479-A (GB)
Title: Reel for carrying a flexible pipe
IPC: F16L27/093
Filed: 1971-12-29
Abstract: 1326479 Hose reels; supporting shaft D J JANSEN 29 Dec 1971 [29 Dec 1970] 60576/71 Heading B8M A reel for flexible pipe, e.g. hose pipe, comprises a shaft 1 having a shoulder 5 between first and second portions 2, 4 of different diameters, an axial opening 3 in the first portion 2 extending from one end of the shaft to a point spaced from the shoulder and having an internal transverse dimension greater than or equal to the diameter of the second portion; a hub rotatably mounted on the shaft and forming an annular chamber 19 sealed around a part of the first portion 2 and extending from a second point spaced from the shoulder 5 to the vicinity of the shoulder, at least one slot 7 in the part of the portion 2 intersecting the shoulder 5 and completing a flow passage from an external source to the reel by way of the axial opening 3, the slot 7, the annular chamber 19, and a pipe 31 leading from the chamber 19 to a pipe on the reel drum 16. The hub of the drum is maintained in fixed axial relationship relative to the shaft by means of a radial face 20 abutting the shoulder 5 and an end disc 28 secured against the end of the shaft portion 4 and the hub portion 17. The shaft portion 2 is preferably threaded into an inlet portion 9 which is connected to a fluid source by pipe 15 and is secured to a plate 12 for attachment to a wall. In an alternative embodiment, the shaft portion 2 is made integrally with the inlet portion 9. The reel drum 16 is rotatably supported by means of spider plate 25 secured to one of the flanges 33; tie bolts 32 passing through the flanges 33, 34 and the spider plate 25 to maintain the assembled structure. The flange 34 adjacent the portion 4 of the shaft is provided with a closable aperture 38 for access to the end disc 28. The shaft is preferably made by pressing a cylindrical block of metal in a die formed with radially inwardly facing projections to make the slots. The thicker end portion of the shaft is then drilled to the required depth and diameter to remove the bottoms of the slots to form the flow passage.
Patent GB-613148-A (GB)
Abstract: 613,148. Warp beam flange adjustments. ATTENBOROUGH, W. April 9. 1946, No. 10845. [Class 142(ii)] The end of a hollow warp beam is slotted at 3 and the flange 8 has spokes 7 extending through the slots from a boss. engaging a threaded sleeve 11 by which the position of the flange can be adjusted.
Patent GB-1300233-A (GB)
Title: Improvements in and relating to expandable plastic beads formed of styrene or derivatives thereof
Inventor: HATANO ITARU
IPC: C08J9/16
Filed: 1969-12-23
Abstract: 1300233 Expandable thermoplastic polymer beads KANEGAFUCHI KAGAKU KOGYO KK 23 Dec 1969 62675/69 Heading C3C An expandable styrene and/or its derivative polymer bead contains a homogenous mixture of a metal salt of an aliphatic or aromatic carboxylic acid in amount of 2% by wt. or less, the metal of the salt belonging to Group II of the Mendeleef Periodic Table, and an expanding agent which is gaseous at 10 C. and atmospheric pressure. The expandable beads may be made by polymerizing the monomers in aq. suspension in the presence of the metal salt and either in the presence of the expanding agent, or if in its absence then impregnating the resultant beads with the expanding agent. In examples the polymer was polystyrene or a copolymer of styrene and methyl methacrylate, the expanding agent was butane and/or pentane, and/or tetrachloroethylene, and the metal salt was calcium stearate, palmitate or laurate, cadmium cumate or n-butyl-benzoate, or zinc p-tert.- butyl-benzoate.
Patent GB-2002247-A (GB)
Title: Mixers and rotors
IPC: B29B7/18
Filed: 1978-08-10
Abstract: Internal mixers comprising a mixing chamber 12 having two interconnected portions 14 of circular cross section arranged so that, in cross section, the chamber approximates a figure 8, and two rotors, 36 and 38, one in each portion of the chamber, each comprising a plurality of blades 40 having a leading 42 and a trailing side 44, in which the leading sides have a sharp edge 48 facing in the direction of rotation at the outer extremity of the leading side are used, thereby reducing the incidence of damage to the mixers. The rotors may rotate at different speeds. <IMAGE>